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chapter 3 lesson 5

TermDefinition
tropism the response of a plant toward or away from stimulis
list 3 stimla that produce plant resoponse Touch, gravity and light
hormone a chemical that affects growth and development
photoperiodism a plants response to seasonal changes in the length of day and night
critical night length number of hours of darkness that determines whether or not a plant will flower
dormancy a period of time when an orginisms growth or activity stops
an example of both positive and negative tropism positive tropism is when a plant flowers but negative tropism is when a plant goes into dormancy
describe what triggers a plant to flower light or rain
why is dormancy important Dormancy is important because if it’s too cold outside it can stop growing and save energy
Created by: user-1981937
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